Listen to Koto Rongo Jano Bondhu online. Koto Rongo Jano Bondhu is a Bengali language song and is sung by Siraj Khan. Koto Rongo Jano Bondhu, from the album Koto Rongo Jano Bondhu, was released in the year 2024. The duration of the song is 4:19. Download Bengali songs online from JioSaavn.